java.net
Class ContentHandler

The abstract class ContentHandler is the superclass
of all classes that read an Object from a
URLConnection.

An application does not generally call the
getContent method in this class directly. Instead, an
application calls the getContent method in class
URL or in URLConnection.
The application's content handler factory (an instance of a class that
implements the interface ContentHandlerFactory set
up by a call to setContentHandler) is
called with a String giving the MIME type of the
object being received on the socket. The factory returns an
instance of a subclass of ContentHandler, and its
getContent method is called to create the object.

If no content handler could be found, URLConnection will
look for a content handler in a user-defineable set of places.
By default it looks in sun.net.www.content, but users can define a
vertical-bar delimited set of class prefixes to search through in
addition by defining the java.content.handler.pkgs property.
The class name must be of the form:

getContent(URLConnection urlc,
Class[] classes)
Given a URL connect stream positioned at the beginning of the
representation of an object, this method reads that stream and
creates an object that matches one of the types specified.

getContent

Given a URL connect stream positioned at the beginning of the
representation of an object, this method reads that stream and
creates an object that matches one of the types specified.
The default implementation of this method should call getContent()
and screen the return type for a match of the suggested types.

Parameters:

urlc - a URL connection.

classes - an array of types requested

Returns:

the object read by the ContentHandler that is
the first match of the suggested types.
null if none of the requested are supported.

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